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The Ogallala Group is a late Neogene ( Pliocene ) sheet of sediments spread over the area east of the Rocky Mountains from Wyoming to Texas, rather recently in a geological sense, when the Colorado Plateau and Rocky Mountain regions were elevated from near sea level to about their current elevations.
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Ogallala and Group
The " bedrock " of the plain is the indurated top of the Ogallala Group, a hard caliche layer called the Caprock.
Evaporating, the minerals were left behind to cement the otherwise fairly loose sandy sediments of the Ogallala Group.
Irrigation water is mined from the deeper parts of the Ogallala Group by electric pumps, since there is almost no usable surface water.
Ogallala and is
While dryland ( non-irrigated ) cotton is successfully grown in this region, consistent yields are only produced with heavy reliance on irrigation water drawn from the Ogallala Aquifer.
The Ogallala Aquifer of the central United States is one of the world's great aquifers, but in places it is being rapidly depleted by growing municipal use, and continuing agricultural use.
The alternative English spelling of Ogallala is considered improper.
Its county seat is Ogallala.
The Ogallala Formation is composed of fine to course sand, some gravel, calcareous silt, silty sands, silts and clays.
The Ogallala Formation is of vital importance to the county and the surrounding areas.
The associated Ogallala Aquifer is the primary source of water for the population and livestock, and an important input into agricultural economy of the county.
Ogallala is a city in Keith County, Nebraska, United States.
Ogallala is located at ( 41. 128806 ,-101. 719460 ).
Ogallala is in the US Mountain Time Zone ( UTC-7 /- 6 ).
Ogallala is close to Lake McConaughy, a large man-made lake and a state recreation area with sandy beaches, boating, and swimming.
Ogallala is served by the Ogallala Public School District
With the drying out of the Ogallala Aquifer much of the land is being returned to prairie and dry cattle ranching, further reducing the population in the surrounding area.
The Ogallala Aquifer, part of the High Plains Aquifer System, is a vast yet shallow underground water table aquifer located beneath the Great Plains in the United States.
The water-permeated thickness of the Ogallala Formation ranges from a few feet to more than 1000 feet ( 300 m ) and is generally greater in the northern plains.
The area is known for its semiarid climate with heavy farming and ranching throughout the area sustained by irrigation from the Ogallala Aquifer and the saltier Santa Rosa Aquifer beneath it.
Lake Meredith lies just outside the city of Fritch and is a main source of water for surrounding communities, though the city actually uses well water drawn from the Ogallala Aquifer for its municipal water supply.
However, this progress has come at a price, in that in many areas where this has occurred, such as the Ogallala Aquifer, the water is being used at a greater rate than its rate of recharge.
But he changes his mind when Jake reminds him that Gus ' old sweetheart, Clara, lives on the Platte, 20 miles from Ogallala, Nebraska, which is on their route to Montana.
She finally gets to Ogallala just before Dee is hanged for murder.
The highway's eastern terminus is in Ogallala, Nebraska at an intersection with Interstate 80.
Additionally, it has been demonstrated that while there is an abundant amount of water in the Ogallala Aquifer, it is slow to replenish itself, with most of the water in the Aquifer having been there since the last Ice Age.
Ogallala and late
* Ogallala Formation: This late Miocene to early Pliocene unit forms the cliffs and ledges at the very top of the Canyon.
Ogallala and Pliocene
The Ogallala Formation of Pliocene Age overlies the Pierre Shale.
The erupting lava filled a stream channel in the Pliocene age Ogallala Formation.
Ogallala and spread
In the northern areas, the Ogallala was spread over Paleogene and Cretaceous rocks.
Ogallala and over
* A Legal Fight in Texas over the Ogallala Aquifer
The Ogallala was laid down over all of this by lazy, sandy streams near sea level, which produced the flatness of its surface.
Ogallala and area
The Ogallala beds lie almost horizontal and structural irregularities, such as faulting, have been observed in the area.
Erosion of the Rockies provided alluvial and aeolian sediment that filled the ancient channels and eventually covered the entire area of the present-day aquifer, forming the water-bearing Ogallala Formation.
557 mi² area of fields ( 1443 km² ) in Kansas which are watered from the Ogallala aquifer with center pivot irrigation systems.
The lake, along with the Ogallala Aquifer, provide drinking water and irrigation for this moderately dry area of the high plains.
The local inhabitants came to realize the area was at the time well suited for farming, due in part to the fact that large portions of the region sit atop one of the world's largest underground reservoirs, the Ogallala Aquifer.
Ogallala and east
Subsequently, the uplift in the west progressed to the east, raising and tilting the Ogallala surface to its present position, and changing the environment from depositional to erosional.
Ogallala and from
The first successful extensive local use of underground water from the Ogallala Aquifer came in 1936.
Part of the reason for such a statement may have been the fact that at one time Frenchman Creek and its main branch the Stinking Water Creek were used as watering stops for cattle drives that traveled from Texas to the Union Pacific railhead at Ogallala.
Ogallala first gained fame as a terminus for cattle drives that traveled from Texas to the Union Pacific railhead located there.
Saturated thickness of the Ogallala Aquifer in 1997 after several decades of intensive withdrawals: The breadth and depth of the aquifer generally decrease from north to south.
It was named in 1898 by N. H. Darton from its type locality near the town of Ogallala, Nebraska.
Withdrawals from the Ogallala Aquifer for irrigation amounted to in 2000.
The proposed route of the pipeline crossed the eastern part of the Nebraska Sandhills ; opponents of the project argued that this route posed an unacceptable risk to the Ogallala Aquifer, owing to the possibility of contamination from oil spills.
Groundwater withdrawal rates from the Ogallala Aquifer in the central U. S.
Cowboys drove Texas cattle north to railroad lines in the cities of Dodge City, Kansas and Ogallala, Nebraska ; from there, cattle were shipped eastward.
Description: Map of the changes in the depth of the Ogallala aquifer in feet from 1980 to 1995.
The aridity of the region necessitates either dryland farming methods or irrigation ; much water for irrigation is drawn from the underlying Ogallala Aquifer, which makes it possible to grow water-intensive crops such as corn, which the region's aridity would otherwise not support.
According to Ed Lemmon in " Boss Cowman ," he was in Ogallala, Nebraska, the northern point of the Texas Trail, from 1877 to 1878.
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